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Obtenção e caracterização de artefatos elastoméricos contendo aditivos provenientes de fontes renováveis
(2014-06-23)
The aim of this study was to obtain, characterize and determine the technical viability of
terpolymer of ethylene-propylene-diene (EPDM) compounds with the addition of vegetable
oil derived from soybean (MD600), vulcanizing ...
Efeito da umidade no comportamento viscoelástico de misturas argila-rocha
(2016-08-29)
Drying is one of the most critical forming steps in the ceramic tile production. Usually defects such as cracks and surface distortion are produced in this processing step. One way to minimize these defects is to reduce ...
Efeito do empacotamento de partículas nas propriedades mecânicas e tribológicas de misturas de argila-rocha
(2016-07-05)
In this work was studied the basaltic source rock addition effect of on the packing particle of clay mixtures for ceramic industry applications. The raw materials (MPs) were collected in the region of Caí Valley in the ...
Obtenção e caracterização de nanocompósitos de resina epóxi/montmorilonita (MMT) aplicados em tinta em pó
(2015-10-07)
The objective of this dissertation is to present a study of the influence of the addition of nanoclays on thermal, morphological, physical and anticorrosive properties of powder coatings epoxy resin based. Polymeric ...
A adsorção de tióis monitorados pelo método de voltametria cíclica com uso de eletrodos de ouro
(2019-08-15)
In this work, the application of amorphous magnetoelastic alloy coated with gold by magnetron sputtering and electroless methods is demonstrated. The thickness, delamination, and roughness evaluations of the gold coatings ...
Influência do uso de plastificante nas propriedades térmicas e mecânicas de nanocompósitos de POLI (Hidroxibutirato-CO-Hidroxivalerato)
(2015-11-19)
The aim of this work was to evaluate the influence of the addition of a plasticizer – triethyl citrate (TEC) – on the thermal and mechanical properties of biodegradable polymer nanocomposites based on poly(hydroxybutyrat ...
Adaptação de forno micro-ondas doméstico para preparação de poliedros oligoméricos silsesquioxanos - POSS
(2015-09-14)
Hybrid materials, such as polyhedral oligomeric silsesquioxanes (POSS), nowadays have received special attention because they are materials that have a synergistic combination of organic and inorganic materials properties. ...
Influência do inibidor de pré-vulcanização nas propriedades de composições de borracha natural não vulcanizadas
(2019-12-16)
Vulcanization is a crosslinking process in which the chemical structure of the elastomer is changed by the interlinking of the long chains of the polymer, resulting in a three-dimensional network. The tire repairing industry ...
Preparação e caracterização de membranas de polisulfona-poliuretano para recuperação de água de processos têxteis industriais simulados
(2021-03-12)
Techniques using membranes for the treatment of wastewater usually promote higher quality of treated water when compared to other processes. Among them, pervaporation has advantages in terms of selectivity, in addition to ...
Desenvolvimento de bandas de rodagem com menor resistência ao rolamento e menor impacto ambiental
(2016-12-01)
The tire industry is in constant development in order to make its products safer, more durable, ecologic and energy saving. To achieve these objectives, improvements in the properties of abrasion resistance, wet grip and ...